
TheClimateChanger
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Everything posted by TheClimateChanger
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Looking like it could be a very smoky June on tap.
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Chilly day today. Looks like the high might end up at 57F. Not a record, however. It was a frigid 45F for a high on this date in 1910.
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Looks like we will eek below normal for the month tomorrow (on the last day of the month).
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Looks like this may be a pretty high-end smoke event. This is all the way out to wee hours of Monday morning and look at all of that surface-based smoke across the High Plains down into Iowa, Kansas and Missouri. Even parts of the Southeast may see a slight decrease in visibility and possible faint smoky smell. Keep in mind, these model projections wouldn't even factor in any newly ignited wildfires today or over the weekend, and there should be pretty extreme fire weather conditions in place with near record temperatures. Given the likelihood of new fires, this may even be somewhat conservative.
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Looks like there could be enough surface wildfire smoke for some visibility impacts/smell on Saturday. Either way, should be a rather hazy/milky sky.
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The developing pall of smoke might help to mute temperatures somewhat as well. Will have to watch and see if it spreads any further east and south.
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Definitely something to keep an eye out for. Computer models are depicting widespread lofted smoke spreading in across the Midwest over the next 48 hours, with air quality concerns [near surface smoke] in northern parts of Minnesota, Michigan and Wisconsin. I wonder if this will mute the expected warmup somewhat.
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2025-2026 ENSO
TheClimateChanger replied to 40/70 Benchmark's topic in Weather Forecasting and Discussion
Lol - I think I may have triggered CloudFlare due to too many linked images. Regardless, NCEI lists the DJF mean for Michigan's Division 10 [Southeast Lower division] for 1961-1990 as 23.6F, and for 2001-2025 as 26.9F, which is an increase of 3.3F. This is actually slightly more than DTW's increase. I guess NCEI is in on the conspiracy! -
2025-2026 ENSO
TheClimateChanger replied to 40/70 Benchmark's topic in Weather Forecasting and Discussion
Lol, calm down. Here is U of Mich - Ann Arbor coop site. At U of M, the average increased from 25.7F in 1961-1990 to 27.9F in the most recent 25 years (+2.2F). That lends some credence to your theory; however, there is an uncorrected non-climatic bias in this data. The early data is based on an observation time [set max] of 5 pm, versus a standard 24-hour day (see, e.g., below). This results in a warming of about 0.5C/0.9F relative to a midnight to 11:59 p.m. day. Also, here is nearby Toledo, Ohio. The increase is even more substantial than Detroit (+3.8F). Let's play find the Urban Heat Island effect at Toledo Express Airport. It's surrounded by woods and farms, and shows even more warming relative to DTW. -
2025-2026 ENSO
TheClimateChanger replied to 40/70 Benchmark's topic in Weather Forecasting and Discussion
Again, you are reading things that I didn't say. I mean a 1995-1996 or 2009-2010 type year. As @bluewavepointed out, even relative to 2013, the available pool of arctic air is much smaller. If the 2030s are as much above normal as recent decades, PHL could see a decadal winter mean of ~38F. That is on par with the late 20th century average at Richmond, Virginia. Snowfall averaged around 16-17 inches at Richmond in this era, with high snowfall years around 40" or so. This really isn't super different from PHL's average of ~21-22 inches, but I would probably expect mean snowfall to fall more into that range over the next 15 years. And PHL has only seen a few years with substantially more than 40" in the last few decades anyway. -
2025-2026 ENSO
TheClimateChanger replied to 40/70 Benchmark's topic in Weather Forecasting and Discussion
I didn't say that. Especially northern areas are still cold enough to benefit from increased moisture availability, but the baseline climate of more southern Mid Atlantic climates has shifted so much that significant snowfall in even a "normal" temperature regime requires lots of needle threading. Certainly, they could still do well in a particularly cold winter [relative to the norms]. I just wanted to examine what Chuck had posited a few pages back with a possible shift in PDO/AMO. It might be rather surprising but each of the last 4 decades in the east has winded up above normal for temperatures in the wintertime, relative to the existing normals. -
2025-2026 ENSO
TheClimateChanger replied to 40/70 Benchmark's topic in Weather Forecasting and Discussion
Philadelphia 1961-1990 mean: 32.9F Incomplete 2001-2030 mean: 36.7F (+3.8F over 1961-1990) Maybe a place like Detroit is still cold enough for big time snows even in a warmer than normal regime, but it would be hard to envision a scenario where Philadelphia sees hefty snows in the 2030s if the 2030s average say 1.5-2F above the 2001-2030 means, with such a mild baseline climate. -
2025-2026 ENSO
TheClimateChanger replied to 40/70 Benchmark's topic in Weather Forecasting and Discussion
For instance, here is Detroit: 1961-1990 average wintertime mean is 25.4F. Incomplete 2001-2030 average is currently up to 28.6F (+3.2F over 1961-1990) -
2025-2026 ENSO
TheClimateChanger replied to 40/70 Benchmark's topic in Weather Forecasting and Discussion
The 1990s had a ton of high snow years despite being a blow torch overall. By the 2030s, normals will be too high for such a scenario to even be possible. Normals will have have climbed 3-5F over 1961-1990 normals by 2031. A normal winter in the 2030s would have looked like a blow torch in 1999. This is undeniable and factual. -
2025-2026 ENSO
TheClimateChanger replied to 40/70 Benchmark's topic in Weather Forecasting and Discussion
Winters from each decade compared to the then-applicable climate norms. Dating back to at least the 1990s, there has never been a decade in the northeast or midwest that was even close to being below the applicable normal temps for winter temperatures. I would highly doubt that trend changes now. 1991-2000 mean versus 1961-1990 base period: 2001-2010 mean versus 1971-2000 base period: 2011-2020 mean versus 1981-2010 base period: 2020s (to date) mean versus 1991-2020 base period: -
True. Although I would argue you could conceive of a scenario where earth approaches snowball conditions, if there were to be a major impact event that blocked out most sunlight for years or decades that was well timed with the peak of a Milankovitch-driven glacial maximum. CO2 levels are typically around 175-180 ppm during glacial maximum. Such an abrupt cooling superimposed upon a landscape already marked by widespread continental-scale glaciers and extremely low levels of GHGs could plausibly lead to such an expansive ice field that it could be difficult to re-emerge into typical Milankovitch-driven interglacial condition, despite the sun's increased solar output. Not sure if such a scenario has ever been modelled.
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Apparently, there was indeed a tornado on Friday, but damage was minimal. It appears to have touched down a little before this warning was issued.
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2025-2026 ENSO
TheClimateChanger replied to 40/70 Benchmark's topic in Weather Forecasting and Discussion
I simply said I thought people (generally) were in denial of the recent changes. There is a poster here who loves calling everyone "cyclical climate deniers" and "urban heat island deniers" and "natural climate change deniers" after ironically claiming in 2021 that it was offensive term due to its common use in the context of Holocaust denial: Showing results for 'deniers' in content posted by ChescoWx. - American Weather Showing results for 'denier' in content posted by ChescoWx. - American Weather He especially loves calling people by the pejorative alarmist(s): Showing results for 'alarmists' in content posted by ChescoWx. - American Weather Showing results for 'alarmist' in content posted by ChescoWx. - American Weather Funny, I don't see you calling out this poster. -
2025-2026 ENSO
TheClimateChanger replied to 40/70 Benchmark's topic in Weather Forecasting and Discussion
Did I call anyone names? Can anyone find where I called someone a name in this thread? I was called a "troll" but don't recall calling any one a name. -
2025-2026 ENSO
TheClimateChanger replied to 40/70 Benchmark's topic in Weather Forecasting and Discussion
1947-48 was mostly below normal snowfall in the Lakes. The Northeast and New England fared way better. -
2025-2026 ENSO
TheClimateChanger replied to 40/70 Benchmark's topic in Weather Forecasting and Discussion
The 1940s had some impressive winters. 1944-1945 had very impressive snow cover in the lower Great Lakes region, and 1947-48 was very snowy in the northeast, especially around Worcester. I think they had like 3 feet of snow on the ground in February in Worcester, Massachusetts and that's from when observations were taken in town and not at the more upland airport location. 1948-49 & 1949-50 were low snow, but very cold and snowy in parts of the northern Plains and northwest. I would point out, however, that 1950 was the coldest year overall for the U.S. since 1929, and 1951 was even colder, per NCEI. 1950-51 was very snowy in the Ohio Valley and Appalachians. -
2025-2026 ENSO
TheClimateChanger replied to 40/70 Benchmark's topic in Weather Forecasting and Discussion
Perhaps for the eastern United States, but certainly not globally. -
2025-2026 ENSO
TheClimateChanger replied to 40/70 Benchmark's topic in Weather Forecasting and Discussion
I think people are still in denial mode here. The change from 2011-2013 era to the last 36 months or so has been on the order of .5C. The 1990s are about as cold globally compared to the present, as the 1800s were to the 1990s. It makes little sense to run a linear regression back to the 1800s, when there was a relatively stable climate [only comparatively modest increase] from 1880 to 1970. Not even getting into site changes and changes in protocol. A lot of river cities saw moves to suburban airports with elevation increases of 300 to 500 feet versus downtown. With that said, in many cases, going back further to 1960 or 1970 would, in the majority of cases, increase the decline, by including snowier years from the 1960s to early 1980s. My analysis actually starts with a few notoriously low snow winters, a fact that @LibertyBellsaid was "ironic." -
2025-2026 ENSO
TheClimateChanger replied to 40/70 Benchmark's topic in Weather Forecasting and Discussion
You are incorrect. The last several winters have been well below the trendline, suggesting an accelerating decrease. It would actually take a couple of somewhat above trend years just to keep the trendline at the same slope. If the next few winters were way above normal, then, yes, the trendline would increase. But I don't believe that will happen. Certainly, the occasional year could be way above normal. I mean Charleston, West Virginia had 106" of snow in 1995-96, which is more than 2 feet more than the most observed in Pittsburgh. But the 1961-1990 average at Charleston was ~31" versus ~42" at Pittsburgh.